Experience Total Confidence

Rinnai Tankless Water Heaters are revolutionizing the way people use hot water. Each series is engineered to reliably deliver what you want most: the endless comfort and convenience of hot water at your fingertips.

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Rinnai Ultra Series

The Ultimate in Efficiency.

The Ultra Series, with integrated condensing technology, is ideal for residential and commercial applications and can be banked together for even greater capacity. In addition to our concentric polypropylene venting, using the Ubbink Concentric to Twin Pipe adaptor, Rinnai Ultra Series Condensing Tankless Water Heaters can be vented using PVC/CPVC. Multiple venting options allow for an installation of total convenience.